=== HTTP code : 200 ===

HTTP/1.1 200 OK
Server: nginx/1.4.6 (Ubuntu)
Date: Wed, 08 Apr 2015 05:59:50 GMT
Content-Type: application/pdf
Content-Length: 124564
Last-Modified: Wed, 24 Sep 2014 18:09:54 GMT
Connection: close
ETag: "542308f2-1e694"
Accept-Ranges: bytes


Link is valid.